Paper varieties viewed under long wave light.
BCP = Bluish coated paper PVA = Polyvinyl alcohol acetate gum
OCP = Original coated paper
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P200 or P202 - 6d Reddish purple (Shades), BCP (Blue fluorescence)/PVA, two 4.75mm screen 150 B3 phosphor bands, head A1, upright print (Cyl 2) - Deegam PD 7.1.1 - S.G specialised U18 - Stoneham M35 - Concise 736
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P200 Reddish purple shade from sheets cylinder 2 [5.2.68]

P202 Deep reddish purple

P200r or P200rmp - 6d Reddish purple, BCP (Red fluorescence)/PVA, two 4.75mm screen 150 B3 phosphor bands, head A1, upright print (Cyl 3) - Deegam PD 7.1.1
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P200r Red fluorescence from cylinder 3 [?.6.68]
P200rmp Red fluorescence, phosphor omitted

P203 - 6d Bright magenta, BCP/PVA, two 4.75mm screen 150 B3 phosphor bands, head A1, upright print (Cyl 3) - Stoneham M35b
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Two 4.75mm B3 phosphor bands, bright magenta shade from sheets cylinder 2 [5.2.68] - Cylinder 3 [?.6.68]

P204 - 6d Claret, OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, head A1, upright print (Cyl 5) - Deegam PD 7.1.2 - Stoneham M35c - Concise 736Eb
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Two 4.75mm B3 phosphor bands, claret shade from sheets cylinder 5 [?.4.69]

P208 - 6d Reddish purple, BCP/PVA, two 4.75mm screen 150 B3 phosphor bands, head B2, upright print (Vertical coil) - Deegam PD 7.1.3 - Stoneham M35e
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Two 4.75mm screen 150 B3 phosphor bands, head B2 from J vertical coil [?.6.69]

P210 - 6d Claret, OCP/PVA, two 4.75mm screen 250 B3 phosphor bands, head B2, upright print (Vertical coil) - Deegam PD 7.2.1 - Stoneham M35f
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Two 4.75mm screen 250 B3 phosphor bands, head B2 from J vertical coil [?.9.70]